Process For Polymerizing Olefins In The Gas-Phase

Patent No. EP3723898 (titled "Process For Polymerizing Olefins In The Gas-Phase") was filed by Basell Polyolefine on Feb 4, 2019. The application was issued on May 5, 2021.

Patent Summary

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Patent Oppositions (3)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
BOREALISFeb 4, 2022KADOR & PARTNER PART MBB
THE DOW CHEMICALFeb 3, 2022BECK GREENER
WR GRACE & CONNFeb 3, 2022UEXKULL & STOLBERG

Dossier Documents

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EP3723898

BASELL POLYOLEFINE
Application Number
EP19702283A
Filing Date
Feb 4, 2019
Status
Revoked
Aug 8, 2025
Publication Date
May 5, 2021